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After the KYB check and the token lookup, the widget lists every wallet with authority over the token. The issuer verifies each one. Most methods sign a short challenge message off-chain: no funds move and there’s no gas fee.
KYI widget listing the token's controlling wallets, one row per wallet.
WalletConnect and micro-transactions aren’t enabled for every integration. Ask your Bluprynt representative.

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Manual signature

Copy the challenge message from the widget, sign it with your own tooling and paste the signature back.
Any EVM tool that does an EIP-191 personal_sign works. For XRPL, the widget shows a short script using xrpl or ripple-keypairs.

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HSM or custody

If the key can’t sign arbitrary messages, send a transaction from the wallet that carries only this memo:
Then email the transaction link to product@bluprynt.com. The wallet stays pending until Bluprynt reviews it. The transaction pays normal network fees.

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Multisig wallets

Sign as the multisig itself or as any one of its signers. If you can’t sign for a wallet, its tokens stay listed but unverified.